A. The bacteria should be able to be isolated from a diseased tissue
B. When inoculated in experimental animals bacteria may or may not cause disease
C. Pure cultures can be obtained
D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals
Related Mcqs:
- Which of the following antibacterial substance is present in eggs and saliva ?
A. Lysozyme
B. Secretozyme
C. Albumin
D. Isozyme - Which of the following is an enrichment medium________________?
A. Blood agar
B. Selenite F Broth
C. Mac Conkey agar
D. Nutrient Broth - Which of the following are correctly matched ?
A. Transfer of antibody from mother to child is through colostrum and acquired passive immunity naturally
B. Injection of antibodies (Hepatitis) is artificially acquired passive immunity
C. Antigenic stimulus given by vaccine (polio) is artificial active immunity
D. All of the above - A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?
A. Bile solubility
B. Optochin sensitivity
C. Bacitracin sensitivity
D. Cataslase positive - Which of the following organisms does NOT react with gram’s stain ?
A. Actinomyces israelii
B. Candida albicans
C. Mycobacterium tuberculosis
D. Streptococcus mutan - Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
A. IgA
B. IgD
C. IgG
D. IgM - Which of the following is not true of boiling water_____________?
A. It can kill hepatitis B virus
B. Used for sterilizing surgical instruments
C. Can kill mycobacterium tuberculosis
D. Can kill vegetative bacterial cells - The following immunoglobulin is not known to fix complement_________________?
A. IgE
B. IgM
C. IgA
D. IgG - Which of the following is not used as disinfectant________________?
A. 1-2% cetrimide
B. 100% alcohol
C. 2% Lysol
D. 5% chloroxylene - Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose_______________?
A. Anaphylaxis
B. Arthus reaction
C. Serum sickness
D. Contact dermatitis
